Industrial control board sewage online monitoring device based on modbus

The utility model discloses an industrial control board sewage on-line monitoring device based on modbus, which belongs to the technical field of sewage monitoring, and comprises a base, the top of the base is fixedly connected with a support plate, one side of the support plate is fixedly connected with a disinfection water tank and a stirring tank, the other side of the support plate is fixedly connected with a detection tank, and the detection tank is fixedly connected with a power supply. A water quality detection assembly is arranged at the bottom of the inner wall of the detection box. Through a third water pump, a water pumping pipe, a water pumping head, a filter screen and the like, sewage at different positions is conveniently pumped, large impurities are filtered, and the situation that the large impurities enter the third water pump and cause blockage and damage to the third water pump is avoided; the water quality of sewage can be conveniently detected, the detection is more accurate, and the det